Roc gets heavy in Cabinda

Sitting pretty: in Angola's Cabinda

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Jonathan Davis

 30 August 2007 00:54 GMT

Australian company Roc Oil is celebrating an onshore heavy oil discovery in Angola’s northern Cabinda enclave with potential oil-in-place potential of 170 million barrels, reports said.

Early data from a sidetrack well on the Massambala-1 wildcat showed a 16-metre gross oil column with about 15 metres of net oil-saturated sand with good to excellent reservoir qualities.

The shallow oil accumulation is at a depth of about 400 metres, and the Massambala feature is mapped on 3D seismic data as a gentle four-way dip structure.

Roc said it was possible to recover 20% of heavy oil accumulations though 10% was a more regular rate around the world.

Roc's chief executive John Doran said: “After drilling the original Massambala well last month,…

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